Water treatment apparatus



FIG. 1 is a front and top perspective of a water treatment apparatus,showing my new design;

FIG. 2 is a rear and bottom perspective view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof; and,

FIG. 5 is a side view thereof, with the opposite side view beingidentical.

CLAIM The ornamental design for a water treatment apparatus, as shown and described. 